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<?php
class Benchmark_test extends CI_TestCase {
public function set_up()
{
$this->benchmark = new CI_Benchmark();
}
// --------------------------------------------------------------------
public function test_mark()
{
$this->assertEmpty($this->benchmark->marker);
$this->benchmark->mark('code_start');
$this->assertEquals(1, count($this->benchmark->marker));
$this->assertArrayHasKey('code_start', $this->benchmark->marker);
}
// --------------------------------------------------------------------
public function test_elapsed_time()
{
$this->assertEquals('{elapsed_time}', $this->benchmark->elapsed_time());
$this->assertEmpty($this->benchmark->elapsed_time('undefined_point'));
$this->benchmark->mark('code_start');
$this->benchmark->mark('code_end');
// Override values, because time isn't testable, but make sure the markers were set
if (isset($this->benchmark->marker['code_start']) && is_float($this->benchmark->marker['code_start']))
{
$this->benchmark->marker['code_start'] = 1389956144.1944;
}
if (isset($this->benchmark->marker['code_end']) && is_float($this->benchmark->marker['code_end']))
{
$this->benchmark->marker['code_end'] = 1389956145.1946;
}
$this->assertEquals('1', $this->benchmark->elapsed_time('code_start', 'code_end', 0));
$this->assertEquals('1.0', $this->benchmark->elapsed_time('code_start', 'code_end', 1));
$this->assertEquals('1.00', $this->benchmark->elapsed_time('code_start', 'code_end', 2));
$this->assertEquals('1.000', $this->benchmark->elapsed_time('code_start', 'code_end', 3));
$this->assertEquals('1.0002', $this->benchmark->elapsed_time('code_start', 'code_end', 4));
$this->assertEquals('1.0002', $this->benchmark->elapsed_time('code_start', 'code_end'));
// Test with non-existing 2nd marker, but again - we need to override the value
$this->benchmark->elapsed_time('code_start', 'code_end2');
if (isset($this->benchmark->marker['code_end2']) && is_float($this->benchmark->marker['code_end2']))
{
$this->benchmark->marker['code_end2'] = 1389956146.2046;
}
$this->assertEquals('2.0102', $this->benchmark->elapsed_time('code_start', 'code_end2'));
}
// --------------------------------------------------------------------
public function test_memory_usage()
{
$this->assertEquals('{memory_usage}', $this->benchmark->memory_usage());
}
}
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